/*
 Copyright (C) 2008 Richard Gomes

 This source code is release under the BSD License.
 
 This file is part of JQuantLib, a free-software/open-source library
 for financial quantitative analysts and developers - http://jquantlib.org/

 JQuantLib is free software: you can redistribute it and/or modify it
 under the terms of the JQuantLib license.  You should have received a
 copy of the license along with this program; if not, please email
 <jquant-devel@lists.sourceforge.net>. The license is also available online at
 <http://www.jquantlib.org/index.php/LICENSE.TXT>.

 This program is distributed in the hope that it will be useful, but WITHOUT
 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 FOR A PARTICULAR PURPOSE.  See the license for more details.
 
 JQuantLib is based on QuantLib. http://quantlib.org/
 When applicable, the original copyright notice follows this notice.
 */

package org.jquantlib.math.distributions;

import org.jquantlib.math.Ops;


/**
 * 
 * @author Richard Gomes
 *
 */

public interface Derivative extends Ops.DoubleOp {
    	
    /**
	 * Computes the derivation of the function; f(x)
	 * 
	 * @param x
	 * @return f(x)
	 */
	public double derivative(final double x) /* ReadOnly */;
	
}
